non·prac·tic·ing 
/ˌnɑ:nˈpræktɪsɪŋ/ adjective
always used before a noun /ˌnɑ:nˈpræktɪsɪŋ/ adjective : not regularly doing the things that are associated with your religion, the profession you were trained in, etc.
▪ a nonpracticing Catholic/lawyer
▪ a nonpracticing Catholic/lawyer
